- ventilating device
- 通风装置
English-Chinese dictionary of mining (英汉矿业大词典). 2013.
English-Chinese dictionary of mining (英汉矿业大词典). 2013.
ventilating millstone — noun : a millstone having a device for inducing a strong current of air through its grooves … Useful english dictionary
James R. Robinson — (1860 1950) was an industrialist, inventor, and author of a seminal book on Mine Ventilation (1922) [Pittsburgh: J.R. Robinson, 1922. OCLC 1688262 ] . The book documents his invention of a new device for ventilating mines and preventing the… … Wikipedia
fan — fan1 fanlike, adj. fanner, n. /fan/, n., v., fanned, fanning. n. 1. any device for producing a current of air by the movement of a broad surface or a number of such surfaces. 2. an implement of feathers, leaves, paper, cloth, etc., often in the… … Universalium
Fan — /fan, fahn/, n., pl. Fans, (esp. collectively) Fan. Fang. * * * I Rigid or folding handheld device used for cooling, air circulation, or ceremony or as a sartorial accessory throughout the world from ancient times. As evidenced by Egyptian… … Universalium
Windcatcher — A windcatcher (Persian: بادگیر Bâdgir , Arabic: بارجيل Baarjiil ) is a traditional Persian architectural device used for many centuries to create natural ventilation in buildings. It is not known who first invented the windcatcher, but it still… … Wikipedia
orthopteran — /awr thop teuhr euhn/, adj. 1. orthopterous. n. 2. an orthopterous insect. [1895 1900; < NL Orthopter(a) (see ORTHOPTERON) + AN] * * * ▪ insect Introduction broadly, any member of one of four insect orders. Orthopteran has come to be regarded… … Universalium
Sibley tent — noun a light conical canvas tent erected on a tripod with ventilation at the top • Hypernyms: ↑canvas tent, ↑canvas, ↑canvass * * * noun Usage: usually capitalized S Etymology: after Henry Hopkins Sibley died 1886 : a light tent of conical shape… … Useful english dictionary
tunnels and underground excavations — ▪ engineering Introduction Great tunnels of the world Great tunnels of the worldhorizontal underground passageway produced by excavation or occasionally by nature s action in dissolving a soluble rock, such as limestone. A vertical opening … Universalium
HVAC — may also stand for High voltage alternating current. See also: Glossary of HVAC HVAC systems use ventilation air ducts installed throughout a building that supply conditioned air to a room through rectangular or round outlet vents, called… … Wikipedia
building construction — Techniques and industry involved in the assembly and erection of structures. Early humans built primarily for shelter, using simple methods. Building materials came from the land, and fabrication was dictated by the limits of the materials and… … Universalium
Air handler — An air handling unit; air flow is from the right to left in this case. Some AHU components shown are: 1 Supply duct 2 Fan compartment 3 Vibration isolator ( flex joint ) 4 Heating and/or cooling coil 5 Filter compartment 6 Mixed (recirculated +… … Wikipedia